Patent US4197210A successfully refreshed from Google Patents.
US4197210A
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US
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Oil-soluble adducts of benzotriazole and dialkylamines and lubricant compositions containing the same
Assignee: Mobil Oil AS
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Filing: 1978-12-04
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Granted: 1980-04-08
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Expires: 1998-12-04
Abstract
Abstract Certain new adducts of benzotriazole and dialkylamines, the alkyl groups of which contain from 4 to 20 carbon atoms, are provided. Lubricant compositions having excellent anticorrosion characteristics are also provided when minor amounts of such adducts are added thereto.
Inventors
- 👤 Robert F. Bridger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:20
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/02; C10M133/38; C10M133/44; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2227/08; C10M2227/081; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
104 words
Lubricant compositions comprising oils of lubricating viscosity or greases prepared therefrom, containing a minor amount sufficient to impart anticorrosion properties thereto of an oil-soluble adduct of benzotriazole and a dialkylamine having the general formula R 1 R 2 NH where R 1 and R 2 are alkyl, the alkyl groups of which contain from 4 to 20 carbon atoms, prepared by reacting benzotriazole and said dialkylamine at a temperature of from about 80° to 150° C. in a mole ratio of benzotriazole to dialkylamine of about 1:1.5 to about 1:5, and thereafter recovering and adding said adduct to said compositions in minor effective amounts.
Claim 2
Dependent Claim
104 words
Lubricant compositions comprising oils of lubricating viscosity or greases prepared therefrom, containing a minor amount sufficient to impart anticorrosion properties thereto of an oil-soluble adduct of benzotriazole and a dialkylamine having the general formula R 1 R 2 NH where R 1 and R 2 are alkyl, the alkyl groups of which contain from 4 to 20 carbon atoms, prepared by reacting benzotriazole and said dialkylamine at a temperature of from about 80° to 150° C. in a mole ratio of benzotriazole to dialkylamine of about 1:1.5 to about 1:5, and thereafter recovering and adding said adduct to said compositions in minor effective amounts.
Claim 3
Dependent Claim
16 words
The composition of claim 1 where R 1 +R 2 is cycloalkyl of 4-40 carbon atoms.
Claim 4
Dependent Claim
22 words
The composition defined in claim 1 wherein said adduct is present in an amount from about 0.001% to about 20%, by weight.
Claim 5
Dependent Claim
22 words
The composition defined in claim 1 wherein said adduct is present in an amount from about 0.5% to about 5%, by weight.
Claim 6
Dependent Claim
15 words
The composition defined in claim 1 wherein said composition comprises an oil of lubricating viscosity.
Claim 7
Dependent Claim
13 words
The composition defined in claim 5 wherein said oil is a mineral oil.
Claim 8
Dependent Claim
12 words
The composition defined in claim 1 wherein said composition comprises a grease.
Claim 9
Dependent Claim
21 words
The composition defined in claim 1 wherein the dialkylamine is selected from the group consisting of dioctylamine, didecylamine, didodecylamine and distearylamine.
Claim 10
Dependent Claim
11 words
The composition defined in claim 8 wherein the dialkylamine is di-n-octylamine.
Claim 11
Dependent Claim
21 words
A compound constituting an adduct of benzotriazole and a dialkylamine, the alkyl groups of which contain 4 to 20 carbon atoms.
Claim 12
Dependent Claim
21 words
A compound constituting an adduct of benzotriazole and a dialkylamine, the alkyl groups of which contain 4 to 20 carbon atoms.
Claim 13
Dependent Claim
11 words
The compound of claim 10 wherein said dialkylamine is a cyclodialkylamine.
Claim 14
Dependent Claim
10 words
The compound of claim 10 wherein said dialkylamine is di-n-octylamine.
Claim 15
Dependent Claim
10 words
The compound of claim 10 wherein said dialkylamine is didecylamine.
Claim 16
Dependent Claim
10 words
The compound of claim 10 wherein said dialkylamine is didodecylamine.
Claim 17
Dependent Claim
10 words
The compound of claim 10 wherein said dialkylamine is distearylamine.
Claim 18
Dependent Claim
38 words
A method for preparing the compound of claim 10 which comprises reacting benzotriazole and said dialkylamine at a temperature of 80° to 150° C. in a mole ratio of benzotriazole to dialkylamine of about 1:1.5 to about 1:5.
Claim 19
Dependent Claim
13 words
The method of claim 16 wherein the reaction temperature is from 90°-110° C.
Claim 20
Dependent Claim
12 words
The method of claim 16 wherein said compound is a cycloalkylamine-benzotriazole adduct.
Claim 21
Dependent Claim
15 words
The method of claim 16 wherein the compound is an adduct of di-n-octylamine and benzotriazole.
Claim 22
Dependent Claim
15 words
The method of claim 16 wherein said compound is an adduct of didecylamine and benzotriazole.
Claim 23
Dependent Claim
15 words
The method of claim 16 wherein said compound is an adduct of didodecylamine and benzotriazole.
Claim 24
Dependent Claim
15 words
The method of claim 16 wherein said compound is an adduct of distearylamine and benzotriazole.
Claim 25
Dependent Claim
11 words
The composition defined in claim 8 wherein the dialkylamine is didecylamine.
Claim 26
Dependent Claim
11 words
The composition defined in claim 8 wherein the dialkylamine is didodecylamine.
Claim 27
Dependent Claim
11 words
The composition defined in claim 8 wherein the dialkylamine is distearylamine.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-08 | 1983-10-08 | 1984-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-08 | 1987-10-08 | 1988-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-08 | 1991-10-08 | 1992-04-08 | $7700.00 | Window Closed / Lapsed |